@PaulineNguyen13 They're really tasty. Here's a good list of all the versions, handcrafted, canned, and VIA:

Swing by one of our stores for new Starbucks Refreshers™ handcrafted beverages. These low-calorie drinks are made with real ingredients like whole blackberries, lime slices and fruit juice, and are combined with Green Coffee Extract for a thirst-quenching boost of natural energy.